SPAN/RSPAN

• SPAN on CATOS

! *** Enable
Switch> (enable) set span {src-port | src-vlan} {dst-port} [rx|tx|both]

! *** Disable
Switch> (enable) set span disable {dst-port}

Switch> show span

• SPAN on IOS

! *** Enable
Switch(config)# monitor session 1 source interface {src-ports} [rx|tx|both]
Switch(config)# monitor session 1 destination interface {dst-ports}

Switch> show monitor

• RSPAN on CATOS
  1. Configure RSPAN vlan
  2. Configure RSPAN source ports
  3. Configure RSPAN destination ports
• OPTIONAL
  1. Trunking the RSPAN vlan if spanning multiple switches

Switch> (enable) set vlan 500 rspan
Switch> (enable) set rspan source {src-ports | src-vlans} {rspan-vlan} {rx|tx|both}
Switch> (enable) set rspan destination {dst-ports} {rspan-vlan}

! *** Disable
Switch> (enable) set rspan disable source {rspan-vlan|all}
Switch> (enable) set rspan disable destination {dst-ports|all}

Switch> show span

• RSPAN on IOS
  1. Configure RSPAN vlan
  2. Configure RSPAN source ports to span to RSPAN vlan
  3. Configure SPAN to source from RSPAN vlan
  4. Configure SPAN to destination ports
• OPTIONAL
  1. Trunking the RSPAN vlan if spanning multiple switches

Switch(config)# vlan {rspan-vlan}
Switch(config-vlan)# remote-span

Switch(config)# monitor session 1 source interface {src-ports} [rx|tx|both]
Switch(config)# monitor session 1 destination remote vlan {rspan-vlan}

Switch(config)# monitor session 2 source remote vlan {rspan-vlan}
Switch(config)# monitor session 2 destination interface {dst-ports}

Switch> show monitor